SDR SWAA032394

Service difficulty report · Hmu · Boeing 7377H4

Difficulty date
October 30, 2003
Submitted
November 14, 2003
Operation
Air carrier
Aircraft
N406WN
Make and model
Boeing 7377H4
Aircraft serial
27894
Aircraft time
8,778 hours, 4,963 cycles
Engine
Ge CFM567B24
Engine time
8,778 hours, 4,963 cycles
Part
Hmu
Part number
442124
Part serial
BECW2344
Condition
Faulty
Location
Nr 1 Engine
Stage of operation
TO
How discovered
O
Nature of condition
R
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING TAKEOFF, NR 1 ENG POWER SURGE INDICATION, REDUCED POWER AT CLIMB ALTITUDE OF 13000 FT, NR 1 ENG STABILIZED. REMOVED AND REPLACED NR 1 ENG HMU AND T12 SENSOR PER MM.

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